Speaker



FIG. 1 is a front, right, and top side perspective view of a speaker showing our new design;

FIG. 2 is a rear, left and top perspective view thereof;

FIG. 3 is a front elevation thereof;

FIG. 4 is a rear elevation thereof;

FIG. 5 is a left side elevation thereof;

FIG. 6 is a right side elevation thereof; and,

FIG. 7 is a top plan view thereof, the bottom plan being a mirror image thereof. 

CLAIM The ornamental design for a speaker, as shown and described. 